package com.ks.util;

import java.io.IOException;
import java.io.Reader;

import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;

public class MyBatisDB {

    private static SqlSessionFactory sqlMapper;

    static {

        String resource = "com/wei/ssi/conf/mybatis/mybatis-config.xml";
        Reader reader = null;
        try {
            reader = Resources.getResourceAsReader(resource);
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        sqlMapper = new SqlSessionFactoryBuilder().build(reader);
    }

    public static SqlSession getSqlSession() {
        if (sqlMapper == null) {
            return null;
        }
        return sqlMapper.openSession();
    }

    // �ر�l��
    public static void close() {
        getSqlSession().close();
    }

    // �ύ����
    public static void commit() {
        getSqlSession().commit();
    }

    // ����ع�?
    public static void rollback() {
        getSqlSession().rollback();
    }
}
